docs: def write(self, tid, data, offset, fh):
  
          """
          Write operation. Applicable only for control files - updateResults is called.
  
          Parameters
          ----------
          tid : str
              Path to file. Original `path` argument is converted to tuple identifier by ``_pathdec`` decorator.
          data : bytes
              Ignored.
          offset : int
              Ignored.
          fh : int
              File descriptor.
  
          Returns
          -------
          int
              Length of data written.
          """
  
          if tid[1] == " next":
              d = True
          elif tid[1] == " prev":
              d = False
          else:
              raise FuseOSError(errno.EPERM)
  
          try:
              self.searches[tid[0]].updateResults(d)
          except KeyError:
              raise FuseOSError(errno.EINVAL) # sth went wrong...
          except ConnectionError:
              raise FuseOSError(errno.ENETDOWN)
  
          return len(data)